chore(ec2): add g7e instance class (NVIDIA Blackwell B200)#37971
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The g7e instance family (NVIDIA Blackwell B200, 96 GB VRAM per GPU) is absent from the InstanceClass enum in aws-ec2 and from the isGpuInstanceType allowlist in aws-eks. This causes add_nodegroup_capacity to fail with an AMI-type validation error when a g7e instance is specified with AL2023_X86_64_NVIDIA. - Add GRAPHICS7_EFFICIENT and G7E to the InstanceClass enum and reverse lookup map in instance-types.ts, following the GRAPHICS6_EFFICIENT/G6E pattern. - Add G7E to isGpuInstanceType in aws-eks/lib/private/nodegroup.ts. Fixes aws#37854
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✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.
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Issue # (if applicable)
Closes #37854.
Reason for this change
The
g7einstance family (NVIDIA Blackwell B200, 96 GB VRAM per GPU) is not included in theInstanceClassenum inaws-ec2or in theisGpuInstanceTypeallowlist inaws-eks. This causesaddNodegroupCapacity/add_nodegroup_capacityto fail with an AMI-type validation error when ag7einstance is specified withAL2023_X86_64_NVIDIA.Description of changes
packages/aws-cdk-lib/aws-ec2/lib/instance-types.tsGRAPHICS7_EFFICIENT = 'graphics7-efficient'andG7E = 'g7e'to theInstanceClassenum, following the same pattern asGRAPHICS6_EFFICIENT/G6E.InstanceType.of.packages/aws-cdk-lib/aws-eks/lib/private/nodegroup.tsInstanceClass.G7Eto theknownGpuInstanceTypesarray inisGpuInstanceType, so thatg7einstances are recognised as GPU and the correct NVIDIA AMI type is selected automatically.Description of how you validated changes
ec2.InstanceType.of(ec2.InstanceClass.G7E, ec2.InstanceSize.XLARGE2)to the existingisGpuInstanceTypepositive-case test.amiType should be AL2_x86_64_GPU with g7e instanceType) mirroring the existingg6etest.Checklist